function hg_pull_and_see() {
    if ! $HG_ROOT_CMD > /dev/null; then
        print "Not a Mercurial repository!"
        return -1
    fi

    local i=$(hg id --num)
    local i_h=$(hg id --id)
    hg pull -u
    local j=$(hg id --num)
    local j_h=$(hg id --id)

    if (( $i != $j ));then
        print "\nChangelog from ${i_h} to ${j_h}..."
        hg log --quiet --style=changelog -r "not ancestors($i)"
    fi
}